Noise insulation in wooden structures plays an important role. The fact is that wood is an excellent conductor of noise of various types. Wooden house is a kind of resonant box. Any type of noise easily penetrates the inside of the room without meeting in its path of significant barriers.
Houses made from concrete slabs and cement base do not have such a problem. The design itself already implies soundproof properties. In this regard, the protection of a wooden house is necessary, otherwise the noise and gaps can significantly sway the nervous system to the hosts. The process of noise insulation differs from protection in concrete structures.
There are some features in the construction of a wooden house. The stage of sound insulation is carried out at the time of construction. If the house is ready and there is a problem of noise, then it will be very difficult to get rid of it, you will have to disassemble the grounds and do everything again. It always hits the pocket, and in some cases the alteration helps little. Thus, sound insulation is performed at the construction stage.
Before starting to lay protection from noise, you should understand the nature of the sound itself. It is customary to distinguish the following types of noise:
- Sounds from steps, heels, falling items are called shock and make up the first group.
- The second group of noise is called sounds having acoustic nature. These are sounds produced by TV, audio equipment and human voice.
- The third group implies the sounds that the design itself makes it up. They are called structural. For example, the creaking of the flooring is a structural sound.
Given the nature of the disturbing noise, you can choose the corresponding material and proceed to work on its laying.
The first step in laying noise insulation
The construction of the floor in a wooden house is accompanied by all sorts of connecting nodes. Fastening places of beams, their contact with a boarding coating, BRUSEV connections - all these nodes will spread sound in all directions. It is from them that begins sound insulation. The most effective materials for the absorption of sound are mild fibrous structures. They are perfectly coping with their task and easy to use.
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Connecting structures and nodes are made by materials absorbing sound. Many masters use felt for laying between overlaps. It covers beams, connecting the overlap of the second floor, if it is available. Also, the fasteners can be laid with rubberized material.
Soundproofing of fasteners and compounds of wooden elements plays a large role, since the driving beams spread the sound up and on the sides. They are a corridor, which travels noise, especially percussion. It is advisable to start the construction of overlaps already taking into account the nature of the sound and its distribution. As a result, you do not have to shiver from the slightest sound in the room.
Given the moments of sound insulation of the connecting nodes, the subsequent protection will increase the effect of isolated overlap connections.
Soundproofing floor and upper floors
Ground floor
Soundproofing of the floor, as a rule, is laid at the level of the elastic screed. This should be thought of in advance. Very often, insulation and sound insulation are combined as a single material that performs both functions. For example, glass gamble possesses both other quality. Therefore, the floor insulate precisely this material, as it eliminates the need to purchase separate noise insulation. Material from basalt fiber is very popular. He practically does not know equal to the absorption of sounds and retention of heat at the same time. In this regard, the phase of floor insulation coincides with sound insulation, as such. However, many specialists advise to larger the soundproofing layer for the final flooring.
This additional measure will allow you to fully isolate both shock and acoustic sounds. Additional protection is performed very simple. Based on the finishing screed, sheets of cork material or fiberboard are placed. Sheets are tightly driven to each other and are not attached to the base. Why not attach? Nails, self-tapping screws and other metal elements perfectly conduct sound. Accordingly, feeding sheets, the feasibility of the whole design is lost. The sound will still pass through the metal elements. Sound-absorbing materials are not attached, the "floating overlap" is obtained. Further, the final flooring is stacked. Double noise insulation, insulation and cork sheet capable of drowning shock sounds.
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Upper overlaps
The base of the floor of the second floor is the design in the form of beams and overlaps. They are attached to the main bars. Soundproofing of these elements begins with connectors. Maintaining nodes of fixtures with rolled materials. The beams themselves are advisable to cover felt or other more fire-resistant material.
The fact is that over time the beams and boards begin to creak. If they are "packaged" in noise insulation, the sound will not be so heard. Take this time when the second floor is erected. The most popular and efficient way to install sound insulation of the upper floors is the membrane "second ceiling". The scheme of its construction is time consuming, but the effect of such a design is worth it.
The essence of the method is reduced to the arrangement of "mounted ceiling" made of two sound-absorbing wooden sheets. There is a sound insulator between them. This "sandwich" is suspended and attached to the walls. It turns out a peculiar airbag, absorbing and redistributing the incoming sound. The most important point in the whole structure is the competent fastening. The membrane soundproofer in a wooden house is attached to the walls around the perimeter.
The main area is attached to beams using a vibrational suspension. It can be done or ready to purchase it yourself. It is impossible to mount "mounted noise insulation", since the effect will be lost due to the conductivity of the sound with a metal element. The design should be attached separately and have independent.
Soundproofing of the floor overlap can be performed using mineral wool and plywood. The principle of this method is the same as the membrane. The material is stacked between the beams and is strengthened by plywood sheets. The design is attached to the walls, but not to the beams. It must be independent of the main overlap. Instead of plywood, plasterboard often use.
What to choose the material?
Since in a wooden house, the soundproofing of the floor is different from the classic schemes of concrete floors, the materials are selected precisely under the characteristics of the structure. The most popular and proven soundproofers are:
- Glasswater . It is preferred to be used at the base of the floor of the first floor, since the material performs a double function - insulation and sound absorption.
- Wat containing Basalt fibers . This material is perfectly coping with its task - noise insulation. It is resistant to fire, not exposed to moisture and is able to drown out shock sounds.
- Felt It is both insulating and sound-absorbing material. They are easy to lay the places of overlap connections. However, the material is not resistant to burning, its special processing will be required.
- Cork material It is an excellent insulator of shock sounds. It is placed directly under the final flooring.
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All these materials can be combined with each other. They are mainly used to eliminate problems with noise and heat leaks in wooden structures.
Soundproofing of the floor is built at the time of construction, as it is very difficult to fix in the finished house. The presence of noise insulation contributes to comfortable and cozy accommodation in a wooden house.